package com.lagou.service;

public interface HelloService {
    
    public String sayHello(String name, int timeToWait);
    
    public String methodA(String name, int timeToWait) throws InterruptedException;
    
    public String methodB(String name, int timeToWait) throws InterruptedException;
    
    public String methodC(String name, int timeToWait) throws InterruptedException;
    
}
